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(No Model.) I 4 Sheets-Sheet 1. W. J. ENSWORTH.

CASH REGISTER. No. 591 748. \Q Patented Oct. 12 1897 'FTIGJ. WIJLHEEEEE.U MVEQLEIR.

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(N0 Medal.) 4 Sheets-8heet 2. W. J. ENSWORTH.

CASH REGISTER.

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Patented Oct. 12,1897.

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4 SheetsSheet 3.

Patented Oct. 12,1897.

W. J. ENSWORTH.

CASH REGISTER.

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(No Model.) 4 Sheets-Sheet 4. W. J. ENSWORTH. CASH REGISTER.

Patented Oct. 12,1897.

INVENTOR ATTORNEYS.

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UNITED STATES PATENT QFFICE.

VILLIAM J. ENSXVORTH, OF ERIE, PENNSYLVANIA, ASSIGNOR OF ONE- FOURTH TOJOHN W. GALBRAITI-I, OF SAME PLACE.

CASH-REGISTER.

SPECIFICATION forming part of Letters Patent No. 591 ,748, dated October12, 1897. Application filed January 23, 1897. Serial No. 620,398. (Nomodel.)

T0 at whom it may concern:

Be it known that 1, WILLIAM J. ENswoR'rH, of Erie, in the county of Erieand State of Pennsylvania, have invented a new and ImprovedGash-Register, of which the following is a full, clear, and exactdescription.

This invention relates to an improvement in that class ofcash-registers. by which the amount of each sale is visually indicatedand at the same time cast into an aggregate register of the sales, sothat the machine will always indicate at its registering mechanism theamount of cash which should be in the drawer.

The invention consists in such peculiar features of construction andcombination of parts as will be fully described hereinafter and definedin the claims.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar characters of reference indicatecorresponding parts in all the figures.

' Figure 1 is a fragmentary plan of the invention, parts being shown insection. Fig. 2 is a front elevation with parts broken away to disclosethe interior. Fig. 3 is a vertical longitudinal'section, and Fig. 4 is asimilar view showing the parts in different positions. The casing orframe of the register has a bottom 5 with four vertical sides 6 and asheet-metal top 7, shaped to conform with the mechanism within thecasing. Slidable longitudinally on the bottom 5 is a cash-drawer 8,having an expansive spring 9 normally pressing against the rear-wall 6and serving to project the drawer forwardly when the drawer is released.A horizontal plate 11 is held within the casing and has its innerportion 12 separated from the outer portion and pivotally connectedthereto by a hinge 13. The movable plate 12 is capable of droppingdownward when the drawer 8 is moved outward, as shown in Fig. 4. Pivotedon a rod 14, running transversely within the casing and directlyadjacent to the rear wall thereof, is a transversely-elongated shoe 15,projecting over the rear edge of the movable plate 12 and having rigidlyconnected therewith a catch 16, which extends downward through anopening in the rear stationary portion of the plate 11. The catch 16 isadapted to enter an opening 17 in a plate 18, secured to the upper rearportion of the drawer 8. By these means the drawer is normally heldwithin the casing against the tension of the spring 9. The rod 14 islocated at the top of the rear portion of the stationary plate 11 and ispressed so as to throw the catch 16 downward by means of a spring 19.(Shown in Figs. 3 and 4.)

Mounted within the casing is a revoluble transverse shaft 20, locatedapproximately midway the length of the casing and above the portion 12of the plate 11. shaft 20 is a large wheel 21, the periphery of which isprovided with numerals divisible by five and running from 5 to 100.These numbers represent cents in the record kept by the machine. Fixedto the shaft 20 is a lug '22, adapted to engage with teeth formed on theperiphery of a wheel 23, mounted on a counter-shaft 24, held in thecasing. The periphery of the'wheel 23 is also provided with numbersrunning consecutively from l to 100, and representing dollars in therecord kept by the machine. A single revolution of the shaft 20 advancesthe wheel twenty-three one-hundredths of a revolution by the engagementof the lug or projection 22 with the teeth on the wheel 23. Fixed to theshaft 20 is a pinion 24, having a comparatively large number of smallteeth. Adjacent to the pinion 24 is a pinion 25, fixed on the shaft 20and having a diameter greater than that of the pinion 24 and also havinglarger and less numerous teeth than the pinion 24. A still larger pinion26 is fixed to the shaft 20 adjacent to the pinion 25, and a pinion 27is fixed adjacent to the-pinion 26, which pinion 27 is also larger thanthe pinions previously described. The remainder of the shaft 20 isoccupied by a transversely-e101]gated drum 28 with teeth and diametercoextensive with the teeth and diameter of the pinion 2'7.

Carried longitudinally on the upper side of the movable plate 12 are aseries of dovetailed cleats 29, which form parallel guideways whereinthe rack-bars 35, 30, 31, 32, 33, and 34 respectively run. The rack-bars35 all mesh with the drum 28, and the number of teeth on each rack-bar35 is gradually diminished from the rack-bar which is far- Fixed to thethest to the left. The rack-bar S5 farthest to the left, which has thegreatest number of teeth, stands for 95 cents, which is nearlya completerevolution of the drum 28. The imi'nediately-adjacent rack-bar 35 iscapable of registering cents, and therefore causes a revolution of thedrum 2S slightly less than a revolution brought about by the movement ofthe rack-bar farthest to the left, so the diminution runs until therack-bar farthest to the right and having the least number of teethstands for cents and turns the drum 2S one-twentieth of a revolution.The rack-bar 3O meshes with the pinion 27 and has a single number ofteeth to turn the shaft a single complete revolution. The rack-bar 3Ostands, therefore, for $1. The rack-bar 31 meshes with the pinion 2G andhasa suffieientlnnnber of teeth to turn the shaft 20 two completerevolutions. The rack-bar 31 stands, therefore, for $2. The rack-bar 32meshes with the pinion and turns the shaft 20 three revolutions andstands for $3, and the rack-bar 33 meshes with the pinion 2 L and turnsthe shaft 20 four revolutions and stands for tit. The rack-bars 31-,according to the specific arrangement here illustrated, are superfluous,but they may be provided with teeth increased in number over those onthe rack-bars 33, so as to register $5 and $6, if desired. Each rack-barhas an elevation sufficient to cause its teeth to properly mesh with therespective pinions or drum, as may be seen by reference to Fig. 2. Therack-bars 35 (shown outside of the cover-plate '7 in this View) aresectioned on a line forward of the rack-bars shown inside of thecover-plate 7. All of the rack-bars at points normally outside of thecover-plates 7 maybe made hollow, as shown at the right-in Fig. 2, forconvenience in manufacturing. Located within a cavity in each of therack-bars is aretractile spring 36. One end of each spring-ltiisfixed toits respective rack-bar, and the other end of each spring is fixed tothe forward portion of the plate 11. These springs serve to hold therack-bars in a forwardmost position, as shown by full lines in Fig. l.rearward to actuate the shaft 20, they move against the tension of thesprings 36. As the rack-bars approach the limit of their rearwardmovement the inclined rear ends of the rack-bars, as shown in Fig. 4,engage with the shoe 15 and lift the same, as the dot-ted lines in Fig.4: show, and this releases the drawer S by moving the catch 16 upward.Upon this operation the spring 9 asserts itself to project the drawerforwardly, as also shown in Fig. 4.. The movable plate 12 is now withoutsupport, and the action of the spring 36 on that rack-bar which has beenmoved rearward will cause the plate 12 to drop to the position shown byfull lines in Fig. t. The plate 12 moving downward carries with it therack-bars, which are consequently disengaged from their respective pin-When the raclebars are moved ions and drums, and the rack-bar which hasbeen pushed rearward is permitted to return without engagement with thecorresponding pinion or drum on the shaft 20. \Vhcn therefore a sale ismade, the appropriate rack-bar is pushed inward, the amount of the saleis cast into the aggregate record kept by the wheels 21 and 23, and thedrawer 8 is pushed forward to permit the deposit of the cash therein.Figs. and L illustrate a springpressed pawl 37, which is fixed to therear wall of the casing and projects forwardly to bear down upon thedrum 28 and prevent loose movement thereof. A similar spring 38 (shownin Fig. 1) bears upon the teeth of the wheel 23 to prevent the looserevolution of this wheel.

The top 7 of the casing is curved at an intermediate point to conform tothe wheel 21, and at a point just above this curve the easing isprovided with openings 3i), through which the operator may observesale-indicating devices, which will now be described. A shaft 4C0extends transversely above the wheel 21 and adjacent to the openings 39.Fixed to this shaft 40 is a series of right-angled plates 4K1, on theadjacent faces of each of which are printed numbers respectivelycorresponding with the raelebars. Each rack bar is provided at the pointabove its spring 36 with a rising-and-falling cam These cams -12 arearranged to engage the lower bar t3 of a frame it, slidable diagonallyin supports and 46. hen one of the rack-bars is pushed rearward, its camL2 engages the lower bar -13 of the frame at-f and causes the frame tomove upward. Should any of the plates ll be in the position shown bydotted lines in Fig. 3 and by full lines in Fig. l, the upper bar L7 ofthe frame el; t will engage with such plate il and swing the same to theposition shown by full lines in Fig. 3 and by dotted lines in Fig. at.hen in these positions, no number is visible through the openings 39.Bars at one for each rack-bar, slide independently in the support -f5and. in an additional support 41!). Immediately after the cam on thatrack-bar which has been operated passes the bar 4- 3 the frame -i-lwillreturn to its lower position and the cam will then ongage itscorresponding bar l8 and push this bar up independently of the other bar48, so that that angle-plate t]. which is actuated by the bar t8 thathas been moved will be thrown to the position shown byfnll lines in Figat and by dotted lines in Fig. 3,which position issueh that a numberwill appear through the corresponding opening 39, which number willcorrespond with the amount for which the rack bar that has been operatedstands. When the rack-bar returns, its cam 4-2 again engages the frame-.i--l and operates the same to throw that plate 41 which has just beenoperated into a position at which it will. show no number through thecorresponding open ing 3.

By the mechanism just described I have ICC) , for the register of sumsdivisible by five.

provided a register which has a cash-drawer to receive the cash andwhich casts into an aggregate register all sales that are made. Thecash-register also displays the amount of each sale individually at themoment of its register. The form shown is adapted only It is obvious,however, that this can be changed to make any number registerable.

In using the invention the operator pushes inward the rack bar bearingthe number which corresponds with the sale the operator has made andpermits the drawer 8 to be shoved forward by its spring 9. The cash maynow be deposited within the drawer'S and the drawer then returned. Asthe drawer is moved forward the plate 12 drops to permit the operatedrack-bar to return, and immediately before its return the registeringmechanism will have been moved to cast the sale into the sum of all ofthe sales.

Having thus described my invention, I claim as new and desire to secureby Letters Patent 1. The combination with a casing, of a drawer slidabletherein, a movable plate normally sustained by the drawer, a rack-barsliding on and carried by the plate, a gear engaged by the rack-bar andfrom which the rack-bar is moved by the movement of the plate carryingthe rack-bar, and registering mechanism in'connection with the gear,substantially as described.

2. The combination with a casing, of a drawer slidable therein, aplatenormally sustained by the drawer, a rack-bar carried on and moving withthe plate, and mechanism engaged and operated by the'rack-bar, and fromengagement with which the rack-bar moves when the plate carrying therack-bar is moved, substantially as described.

3. The combination with a casing, of a drawer slidable therein, amovable plate sustained by the drawer, a rack-bar sliding on andsupported by the plate, a gear with which the rack-bar engages and fromwhich the rackbar moves when the plate is dropped, and registeringmechanism in connection with the gear, substantially as described. I

4. The combination with a casing, of a drawer movable therein, a movableplate normally sustained by the drawer, a catch holding the drawer inposition to sustain the plate, a rack-bar sliding on and carried by theplate and capable of releasing the catch, and registering mechanism inconnection with and operated by the rack-barand from which the rack barmoves when the movable plate moves, substantially as described.

5. The combination with a casing, of a drawer movable therein, a catchholding the drawer, a movable plate normally sustained by the drawer, arack-bar sliding on and supported by the movable plate and capable ofreleasing the catch as the rack-bar is moved, and registering mechanismoperated by the rack-bar and from which the rack-bar moves when themovable plate moves, substantially as described.

6. The combination with a casing, of a drawer movable. therein, astationary plate held above the drawer, a movable plate inmovableIwithinthe casing and engaging each of the first-named movable parts to rockthe sign-plate back and forth, substantially as described.

8. The combination with a casing,,of a signplate pivoted therein, twoparts respectively engaging the sign-plate on opposite sides of ,itspivot, and a part movable within the casin g and engaging the twofirstnamed movable parts to rock the sign-plate back and forth,

substantially as described.

9. The combination with a casing having a pivoted sign-plate therein,two parts respectively engaging the sign-plate on opposite sides of itspivot, and an additional part movable within the casin g and having arise-andfall cam capable of engaging each of the firstnamed movableparts to rock the sign-plate back and forth, substantially as described.

10. The combination with a casing, of a member slidable therein, arack-bar supported by the said slidable member, and mechanism engaged bythe rack-bar when the rackbar is supported by the said slidable member,the slidable member being movable to drop the rack-bar.

11. The combination with a casing, of aslidable member containedtherein, a movable plate normally sustained by the slidable member, arack-bar operative on the movable plate, a gear with which the rack-barengages and from which the rack-bar moves when the plate is dropped, andregistering mechanism coacting with the gear.

12. The combination of a pivoted member, two parts reciprocallongitudinally toward and from the member and respectively on oppositesides of the pivot thereof, and a reciprocal part having a cam movableto success ively exert endwise pressure on said two moving parts wherebyto alternately operate the same.

13. The combination of a shaft, a series of differential gears thereon,a series of rackbars respectively engaging the gears and turn- 14-. Thecombination of ashaft,abedplate i it from the movement of thedifferential.

parallel with the shaft, a series of gears of differential diameteriixed on the shaft, and a series of rack-bars respectively meshing withthe gears and having heights varying in accord with the size of thegears.

15. The combination with a casing, of a drawer slidable therein, avertically-movable plate located above the drawer and supported by thedrawer, a raclebar sliding and carried on the plate, and a gear engagedby the raclebar when the drawer is located beneath the gear, the drawerwhen in said position serving to raise the plate.

16. The combination of a plurality of gears, a rigid plate locatedbeneath the gears, the plate having a plurality of parallel guides,rack-bars respectively reciprocal in the guides and respectivelyengaging the gears, and a drawer located beneath the plate and normallysupporting the plate, the drawer being capable of moving from beneaththe plate to allow the plate to drop and disengage the racks and thegears.

17. The combination of a series of differential gears turning on an axiscommon to all, a separately-operative gear for each of i saiddifferential gears and serving to impart movement thereto, and aregistering device in connection with the axis of said differentialgears and having movement imparted to gears and proportionatelyinversely to the size of said gears.

18. The combination of a shaft, a series of differential gears fixedthereon, one of said gears being elongated, a plurality ofoperating-gears all meshed with the elongated gear and imparting theretovarious degrees of movement, additional gears respectively meshed withthe remaining of the differential gears, and registering mechanism operated from the differential gears.

19. The combination of a series of differential gears, one of which iselongated with its axis, a series of n1ovement-imparting do viceseoaeting with said gear and serving to impart varying degrees ofmovement thereto, additional movement-i111parting devices respeetivelycoaeting with the remaining differential gears, and a registering deviceoperated from said differential gears.

20. In a caslrregister, a registering device, a rotatable shaft gearedthereto, the diameter of the two portions of said shaft varying, and aplurality of toothed key-rods geared to said. toothed shaft.

\VILLIAM J. EJSlVOltTl l.

lViinesses:

J. S. VAN Oman, 1. I. Rrnnmz.

